diff options
Diffstat (limited to 'networking/ipcalc.c')
| -rw-r--r-- | networking/ipcalc.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/networking/ipcalc.c b/networking/ipcalc.c index 2f1c02b7b..d75c883b8 100644 --- a/networking/ipcalc.c +++ b/networking/ipcalc.c @@ -119,8 +119,7 @@ int ipcalc_main(int argc, char **argv) if (*prefixstr) { unsigned int msk; - netprefix = atol(prefixstr); - if (netprefix > 32) { + if (safe_strtoul(prefixstr, &netprefix) || netprefix > 32) { IPCALC_MSG(bb_error_msg_and_die("bad IP prefix: %s\n", prefixstr), exit(EXIT_FAILURE)); } |